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Ridgeline Setback Ridgeline Setback <br /> (Varies Due to Slope) (Varies Due to Slope) <br /> No Structures Allowed <br /> Ridgeline in the Ridgeline Setback Areas <br /> (Elevation Varies) <br /> .;" o <br /> C 30 <br /> N <br /> T U <br /> c • <br /> d c E w <br /> c <br /> ii c <br /> Il"LT-# <br /> �!� ►�► A\ <br /> Nur <br /> !1 . <br /> Structures may be allowed below the Ridgeline Setback Area on a <br /> less than 25-percent slope. <br /> Figure 4: Slope Cross Sections with the Measure PP Ridgeline Setback. <br /> There is no formal definition of ridge or ridgeline in Measure PP or in the <br /> Pleasanton General Plan. Chapter 18.76 of the Municipal Code for the Hillside <br /> Planned Development District (Attachment 3), for which only one property in the <br /> City is currently zoned, defines ridge as "a connected series of major and minor <br /> hills", and a ridgeline as "a ground line located at the highest elevation of the ridge <br /> running parallel to the long axis of the ridge." This definition distinguishes a ridge <br /> from a knoll, individual hill, or slope bank. <br /> Working from the language of Measure PP and the City's Hillside Planned <br /> Development District, staff developed the following options for the City Council and <br /> Planning Commission to consider in defining ridge and ridgeline. <br /> • Option One: <br /> Define ridge as a connected series of major and minor hills and the ridgeline as <br /> a ground line located at the highest elevation of a ridge running parallel to the <br /> long axis of the ridge. <br /> This is the verbatim definition form Chapter 18.76 of the Municipal Code for the <br /> Hillside Planned Development District. This definition is lacking for purposes of <br /> implementing Measure PP in that it does not give any guidance regarding <br /> where on the "ground line" the "ridge" or "ridgeline" begins or ends. <br /> 6 Note: Cross Section is not drawn to scale. <br /> 9 <br />